Controller -> Service > Entity

Controller 代码

@RestController
@RequestMapping("v1/api")

public class DictsController {

    @Autowired
    DictService dictService;

    @ModelAttribute
    public Dict get(@PathVariable(required = false) String id) {
        Dict entity = null;
        if (StringUtils.isNotBlank(id)) {
            entity = dictService.getById(id);
//            System.out.println("-----entity -----"+entity);
        }
        if (entity == null) {
            entity = Dict.builder().build();
//            System.out.println("-----entity == null------");
        }
        return entity;
    }


    /**
     * post请求 添加 localhost:8080/v1/api/dict
     */
    @PostMapping("/dict")
    public Dict addDict(Dict dict){
//        System.out.println(" addDict --- "+dict);
        dict = dictService.addDict(dict);
        return dict;
    }

//    @PostMapping("/dict")
//    public Dict post(
//            @RequestParam(required = false) String value,
//            @RequestParam(required = false) String label,
//            @RequestParam(required = false) String type,
//            @RequestParam(required = false) String description,
//            @RequestParam(required = false) Integer sort,
//            @RequestParam(required = false) String parent_id,
//            @RequestParam(required = false) String disabled){
//
////        System.out.println("post传的参数"+dict);
//
//        Dict dict = Dict.builder()
//                .value(value)
//                .label(label)
//                .type(type)
//                .description(description)
//                .sort(sort)
//                .parentId(parent_id)
//                .disabled(disabled)
//                .build();
////        System.out.println("dict"+dict);
//
//        dict = dictService.addDict(dict);
//
//        return dict;
//    }


    /**
     * post请求 删除 localhost:8080/v1/api/dict/123
     */
    @DeleteMapping(value = "/dict/{id:\\w+}")
    public void delete(@PathVariable String id) {
        dictService.deleteById(id);
    }


    /**
     * post请求 更新 localhost:8080/v1/api/dict/123
     */
    @PostMapping(value = "/dict/{id:\\w+}")
    public Dict updateDict(Dict dict){
//        System.out.println("post请求 更新 ---- "+dict);
        dict = dictService.updateDict(dict);
        return dict;
    }

    /**
     * get请求 传ID 查询信息 localhost:8080/v1/api/dict/123
     */
    @GetMapping(value = "/dict/{id:\\w+}")
    public Dict getDictWithID(@PathVariable(required = false) String id) {
        return dictService.getById(id);
    }


    /**
     * get请求 传type 获取列表 localhost:8080/v1/api/dicts?type=111
     */
    @GetMapping("/dicts")
    public List<Dict> getDictList(@RequestParam(required = false) Dict dict) {
        return dictService.getDictList(dict);
    }
}

Service 代码

@Service
//@Transactional(readOnly = true)
public class DictService {
    @Autowired
    private DictDao dictDao;

    //新增
    public Dict addDict(Dict dict){
        SysDictEntity entity = new SysDictEntity(dict);
        if(StringUtils.isBlank(dict.getId())) {
            dictDao.insert(entity);
        } else {
            dictDao.updateById(entity);
        }
        return entity.toDto();
    }

    //删除
    public void deleteById(String id){
        dictDao.deleteById(id);
    }

    //更新
    public Dict updateDict(Dict dict){
        SysDictEntity entity = new SysDictEntity(dict);
        if(StringUtils.isBlank(dict.getId())) {
            dictDao.insert(entity);
        } else {
            dictDao.updateById(entity);
        }

        return entity.toDto();
    }

    //查询 根据ID
    public Dict getById(String id){
       return DaoUtil.getData(dictDao.selectById(id));
    }

    //查询列表
    public List<Dict> getDictList(Dict dict) {
        Map<String,Object> queryName = Maps.newHashMap();
        if(dict != null) {
            queryName.put("type", dict.getType());
        }
        return DaoUtil.convertDataList(dictDao.selectList(Wrappers.<SysDictEntity>query()
                .allEq(queryName,false)));
    }
}

Dao 代码

public interface DictDao extends BaseMapper<SysDictEntity> {
}

Entity 代码

@Data
@EqualsAndHashCode(callSuper = true)
@ToString(callSuper = true)
@TableName("dict")
public class SysDictEntity extends BaseUUIDEntity<Dict> {
    private String value;   // 数据值
    private String label;   // 标签名
    private String type;    // 类型
    private String description;// 描述
    private Integer sort;   // 排序
    private String parentId;//父Id
    private String disabled;

    @Override
    public Dict toDto() {
        return Dict.builder()
                .id(id)
                .value(value)
                .label(label)
                .type(type)
                .description(description)
                .sort(sort)
                .parentId(parentId)
                .disabled(disabled)
                .build();
    }
    public SysDictEntity(Dict dict) {
        try {
            BeanUtils.copyProperties(this, dict);
        } catch (IllegalAccessException | InvocationTargetException e) {
        }
    }

    public SysDictEntity() {
    }
    
}